Rolled back hash calculation during flattening

src/objects.h

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 3059 matching lines @@
                                         unibrow::byte* util_buffer,
                                         unsigned capacity,
                                         unsigned* remaining,
                                         unsigned* offset);
 
   // Helper function for flattening strings.
   static void Flatten(String* source,
                       String* sink,
                       int from,
                       int to,
-                      int sink_offset,
-                      StringHasher* hasher);
+                      int sink_offset);
 
  protected:
   class ReadBlockBuffer {
    public:
     ReadBlockBuffer(unibrow::byte* util_buffer_,
                     unsigned cursor_,
                     unsigned capacity_,
                     unsigned remaining_) :
       util_buffer(util_buffer_),
       cursor(cursor_),
@@ skipping 881 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_